Page 96 - 《橡塑技术与装备》英文版2026年2期

HINA R&P TECHNOLOGY AND EQUIPMENT

the equipment. Based on the equipment operating conditions, This content is formulated based on equipment operation
professional technicians should adjust the equipment procedures, requirements, and relevant safety regulations. In
parameters (such as speed, temperature, pressure, etc.) in addition to strictly following the inspection, startup, operation,
a timely manner to ensure that the equipment performance and shutdown requirements of the equipment, it is also
reaches its optimal state. The fifteenth rule is to immediately important to pay attention to the safety of both the equipment
shut down the equipment when it malfunctions. It is strictly and personnel.
prohibited to alter the working state or change the operating 4.4.1 Safety precautions for startup
parameters. Report to the maintenance personnel the operation After supplying the power medium and connecting the
actions before the malfunction and the phenomena that occurred power supply, if the devices are not in standby mode, it will
during the malfunction, so as to identify the cause and handle it inevitably cause certain devices or mechanisms to operate. If
in a timely manner. The sixteenth rule is to inspect the lubrication these are not checked or cleaned properly at this time, damage
status of the equipment according to the equipment lubrication or injury may occur. Therefore, when starting up, attention
regulations, ensuring normal lubrication of all parts. The should be paid to the following aspects, including but not
seventeenth rule is to inspect the operating status of the equipment limited to.
according to the inspection requirements for equipment operating First, there are safety requirements for the sequence
status, ensuring that all parts are free of hidden dangers or of activating the power system and connecting the power
malfunctions. If there are hidden dangers or defects in operation, supply, concerning the activation of the power system and
promptly report to the management or maintenance personnel and the connection of power supply. Second, there are electrical
take necessary measures to control them. safety requirements for distribution cabinets, control cabinets,
4.3.3 Production downtime requirements operation cabinets (boxes), as well as distribution boxes and
The shutdown operation requirements refer to the operation boxes installed on equipment, power supply and
specifications for cutting off the power medium, turning off distribution facilities, lines, production equipment, and their
the power supply, and cleaning the equipment after production ancillary facilities. Third, there are safety requirements for the
ends. The main contents include but are not limited to the preheating process of equipment. Fourth, there are requirements
following aspects. for the integrity of mechanical safety protection devices such
First, there are requirements for clearing materials as incomplete parts, mechanical limit and buffer devices,
inside the machine or on the production line. Second, there and protective covers. Fifth, there are safety requirements
are requirements for the cooling process of the equipment. for electrical safety protection devices such as emergency
Third, there are requirements for the shutdown sequence of the stop switches, pull cord safety switches, limit devices such
equipment. Fourth, there are requirements for the shutdown as travel switches and proximity switches, and emergency
sequence of the automatic control system. Fifth, there are braking devices. Sixth, there are safety requirements for the
requirements for the sequence of cutting off the power medium, working positions of various mechanisms and devices of the
shutting down the hydraulic system, lubrication system, and equipment. Seventh, there are safety requirements for parts that
turning off the power supply. Sixth, there are requirements rotate relatively, equipment feed inlets, and other areas prone
for the fixed placement of production tools and equipment, to debris entry. Eighth, there are safety requirements for the
as well as the cleanliness of the machine. Seventh, there are quality and installation tightness of cutting and trimming tools
requirements for the shutdown operation of supporting special used in production. Ninth, there are safety requirements for the
equipment and other process production equipment. Eighth, quality, quantity, and lubrication status of grease in automatic
there are requirements for equipment operation records and lubrication systems. Tenth, there are safety requirements for
shift handover. Ninth, there are other shutdown operation the use of various safety warnings, early warning signals, and
procedures and requirements that need to be mentioned. monitoring systems of equipment. Eleventh, there are safety
4.4 Safety precautions precautions for starting up supporting special equipment and

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